Train Radio
Between 1993 and 1996, NSB rolled out the analog train radio system Scanet. Developed by Ascom Radiocom, it was only installed on the primary railway lines. The system allows radio communication between a train dispatcher, and train drivers and other users involved in railway operations. Scanet was also connected to the automatic train control system. However, several lines lack the system, including the Arendal Line, the Flåm Line, the Meråker Line, the Nordland Line, the Rauma Line, the Røros Line, the Inner Østfold Line, the northern part of the Gjøvik Line, and several tunnels along the Bergen Line and the Sørland Line. The Åsta accident in 2000 spurred the need to give all parts of the railway coverage with train radio. On these lines, the dispatcher and drivers must communicate using the Nordic Mobile Telephone (NMT 450) standard, which by 2002 was being planned terminated by Telenor.
Scanet was replaced by Global System for Mobile Communication – Railway (GSM-R) between 2004 2007, with the systems first being installed on the lines without Scanet. The system, delivered by Nokia Siemens Networks, was on time and on budget, and made Norway one of the first countries to fully implement the system throughout Europe. After GSM-R was fully implemented on 1 November, Scanet was gradually closed. The new system has been characterized as simpler to use and giving better audio quality than Scanet. The implementation cost 1.8 billion Norwegian krone and covers the entire network.
Read more about this topic: Railway Signaling In Norway
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